WrongFragmentContainerViolation with TransactionOverviewFragment

[wbervoets]

✍️ Describe the bug

When clicking on a transaction Chucker crashes with the following exception:

Fatal Exception: androidx.fragment.app.strictmode.WrongFragmentContainerViolation
Attempting to add fragment TransactionOverviewFragment{ff4002b} (ab14c612-b5e4-41c1-8a05-05a1816b3c62 id=0x7f0a037c) to container androidx.viewpager.widget.ViewPager{3b95f96 VFED..... ......I. 0,0-0,0 #7f0a037c app:id/viewPager} which is not a FragmentContainerView

I'm using AndroidX Fragment 1.4.1 and have enabled following strictmode checks:

FragmentStrictMode.defaultPolicy = FragmentStrictMode.Policy.Builder() .detectFragmentReuse() .detectFragmentTagUsage() .detectRetainInstanceUsage() .detectSetUserVisibleHint() .detectTargetFragmentUsage() .detectWrongFragmentContainer() .penaltyDeath() .build()

💣 Steps to reproduce

1. Make sure your app is using AndroidX Fragment 1.4.1 + enabled FragmentStrictMode checks
2. Click on Chucker notification
3. Click on a transaction from the transaction list
4. Crashes with WrongFragmentContainerViolation Attempting to add fragment TransactionOverviewFragment

🔧 Expected behavior

Show the details of the transaction

📱 Tech info

• Device: All devices
• OS: Android 10
• Chucker version: 4.0.0-SNAPSHOT

📄 Additional context

Using app with Fragment 1.4.1

[vbuberen]

Thanks for your report.

I saw this issue, but the problem there is that this fragment is part of ViewPager and we decided to stick with ViewPager, because ViewPager2 had some issues (see more in #159).

So, I guess, till we migrate to some newer version of ViewPager2 (I suppose lint/strict mode won't complain about same issue there), which, probably, won't be released by Google anytime soon if at all, we can't get away from this problem.

[wbervoets]

Thanks for the clarification. For now I'll disable the WrongFragmentContainer check when I need the Chucker functionality.

Am I correct to assume that the issues you were experiencing with Viewpager2 are fixed in the 1.1.x series? (so we need to wait until ViewPager2 1.1.0 gets a final release)

[wbervoets]

maybe we should ping @jfresen from Google @to see if a 1.1 release is coming in the near future ? :-)

[vbuberen]

Am I correct to assume that the issues you were experiencing with Viewpager2 are fixed in the 1.1.x series?

Note, it is mostly a speculation from my side that ViewPager2 resolves the issue with Strict mode

As long as I remember we had only one of issues with options menu flickering resolved back then. However, I used alpha builds at that time. Maybe something changed with beta version.
Among other issues we had were:

1. Wrong options menu items, which I mentioned in the mentioned PR with migration.
2. Some UX issue, which is described here: https://medium.com/@BladeCoder/fixing-recyclerview-nested-scrolling-in-opposite-direction-f587be5c1a04

Looking at dates of releases of ViewPager2 I doubt that we will see a stable release soon. It is already a few years passed since 1.0 release and 1.1 isn't a plan, probably, since focus might be shifted from such libraries to Jetpack Compose. So my expectation is that Chucker will migrate to Jetpack Compose faster than Google releases ViewPager2 😄

[jfresen]

Hi. Yes, our focus has shifted to Jetpack Compose indeed. If you are planning to migrate to Compose, that is probably the best option for you.